Solar water heaters do not even fear of being struck by lightning deflectors risk
In general, the mountain is prone to lightning hazards, plains and cities, lightning appears less. However, not long ago, the city north of a residential building on the plot being struck by lightning. "If lightning protection measures in place, city building also liable to lightning." Bureau of Meteorology lightning experts said, nearly four years, statistics show that most lightning in August Hefei, now is the high incidence of lightning, the need to guard against.
Poor communities struck by lightning lightning
It is understood that the area being struck by lightning, close to the reservoir, the surrounding open space, Hefei day of severe convective weather in some areas, there is thunder and lightning occur, according to the point discharge principle, lightning struck the roof of the cell shape angle, causing the roof shape corner missing.
Community residential buildings struck by lightning after the incident, Bureau of Meteorology experts dedicated to its investigation. In the survey of experts found that the roof of the air terminals and lightning network and deflectors did not weld, causing lightning current discharge does not go out, resulting shock wave effect, so that damage to buildings. "Even the design, the objective is to create beautiful roofs many of treasure spire-like, around the more open, is the tallest building in the ground, so the lightning from the objective to become the target, due to the top of the lightning rod and the building is not material deflectors and grading ring connection, so being struck by lightning. "participate in the investigation of lightning experts said.
Not be affected much by mine safety regulations
Phenomenon similar to the plot is more common in Hefei? In this regard, the city Bureau of Meteorology s lightning experts said, the residential district in Hefei similar phenomenon rarely, but there are still some security risks, such as the delivery of some high-rise buildings or other owners of after use, the owners will be in the building without permission top and top side of the installation of solar energy, water tanks, network security and other equipment, however, after the installation of these devices, there is no basis for the building phase connected to ground deflectors, lightning can easily lead to accidents.
"According to the" Lightning in design ", in the high-rise buildings have two or more piles as ground-based drop, to have air terminals, lightning network, to be set up electrical SPD (surge protector), 60 meters above the grading ring to have doors and windows grounding, while all have a certain resistance grounding resistance range. "experts say, as long as the lightning protection of buildings in accordance with regulations, the public can not worry about lightning safety.
Hefei August is the high incidence of lightning
According to the 2006 to 2010 weather data in Hefei, Hefei Bureau of Meteorology experts Hefei lightning lightning occurs, a special study of the law. From lightning occurred in the past four years, statistical data, the experts found, Hefei, April to September each year lightning-prone, which appeared in August, the highest probability of lightning. When the variation from the lightning flash to see, day 16 to 20 pm and hair, of which up to 18 when lightning occurs.
"From this result, we can conclude that: lightning in August, is the critical period, if there is lightning activity, the people around 18:00 to go out as little as possible." Bureau of Meteorology experts lightning, thunder and lightning occur, people should stay indoors and shut doors and windows, people who work outdoors should shelter in buildings; should not be used without lightning protection lightning protection measures are inadequate measures or the TV, stereo and other electrical appliances, not to use tap; Do not touch the antenna, pipe, wire, metal doors and windows, building facades, away from the live wire and other metal equipment or other similar devices; reduce the use of telephone and mobile phone.